blob: 24e84d57b13d35a0f3b0bbf4195facc56dbc6379 [file] [log] [blame]
Richard Smithe9385362012-11-07 23:56:21 +00001// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -std=c++11 | FileCheck %s
Douglas Gregorfb8cc252010-05-05 05:51:00 +00002
3struct A {
4 A();
5 A(const A&);
6 A(A&);
7 ~A();
8};
9
10struct B {
11 B();
12 B(B&);
13};
14
15struct C {
16 C() {}
17 C(C& other, A a = A());
18 int i, j;
19};
20
21struct POD {
22 int array[3][4];
23};
24
25struct D : A, B, virtual C {
26 D();
27 int scalar;
28 int scalar_array[2][3];
29 B class_member;
30 C class_member_array[2][3];
31 POD pod_array[2][3];
32
33 union {
34 int x;
35 float f[3];
36 };
37};
38
39void f(D d) {
40 D d2(d);
41}
42
Rafael Espindola0691a5c2011-01-25 19:10:24 +000043// CHECK: define linkonce_odr void @_ZN1DC1ERS_(%struct.D* %this, %struct.D*) unnamed_addr
Douglas Gregorfb8cc252010-05-05 05:51:00 +000044// CHECK: call void @_ZN1AC1Ev
45// CHECK: call void @_ZN1CC2ERS_1A
46// CHECK: call void @_ZN1AD1Ev
47// CHECK: call void @_ZN1AC2ERS_
48// CHECK: call void @_ZN1BC2ERS_
Lang Hames56c00c42013-02-17 07:22:09 +000049// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 28}}
Douglas Gregorfb8cc252010-05-05 05:51:00 +000050// CHECK: call void @_ZN1BC1ERS_
51// CHECK: br
52// CHECK: {{icmp ult.*, 2}}
53// CHECK: {{icmp ult.*, 3}}
54// CHECK: call void @_ZN1AC1Ev
55// CHECK: call void @_ZN1CC1ERS_1A
56// CHECK: call void @_ZN1AD1Ev
Lang Hames56c00c42013-02-17 07:22:09 +000057// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 300}}
Douglas Gregorfb8cc252010-05-05 05:51:00 +000058// CHECK: ret void
59
60
61template<class T> struct X0 { void f0(T * ) { } };
62template <class > struct X1 { X1( X1& , int = 0 ) { } };
63struct X2 { X1<int> result; };
64void test_X2()
65{
66 typedef X2 impl;
67 typedef X0<impl> pimpl;
68 impl* i;
69 pimpl pdata;
70 pdata.f0( new impl(*i));
71}
John McCallb77115d2011-06-17 00:18:42 +000072
73// rdar://problem/9598341
74namespace test3 {
75 struct A { A(const A&); A&operator=(const A&); };
76 struct B { A a; unsigned : 0; };
77 void test(const B &x) {
78 B y = x;
79 y = x;
80 }
81}
Richard Smithe9385362012-11-07 23:56:21 +000082
83namespace test4 {
84 // When determining whether to implement an array copy as a memcpy, look at
85 // whether the *selected* constructor is trivial.
86 struct S {
87 int arr[5][5];
88 S(S &);
89 S(const S &) = default;
90 };
91 // CHECK: @_ZN5test42f1
92 void f1(S a) {
93 // CHECK-NOT: memcpy
94 // CHECK: call void @_ZN5test41SC1ERS0_
95 // CHECK-NOT: memcpy
96 S b(a);
97 // CHECK: }
98 }
99 // CHECK: @_ZN5test42f2
100 void f2(const S a) {
101 // CHECK-NOT: call void @_ZN5test41SC1ERS0_
102 // CHECK: memcpy
103 // CHECK-NOT: call void @_ZN5test41SC1ERS0_
104 S b(a);
105 // CHECK: }
106 }
107}